{"id":377382,"date":"2024-08-06T13:16:28","date_gmt":"2024-08-06T13:16:28","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/377382\/"},"modified":"2024-08-06T13:16:28","modified_gmt":"2024-08-06T13:16:28","slug":"377382","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/377382\/","title":{"rendered":"Reply To: How to determine average residence time of fluid"},"content":{"rendered":"<p>&lt;p&gt;Look up &#8220;plug flow residence time&#8221;, or go ask a Chemical Engineer. Then compare that to the 0.04s you&#8217;ve modelled.&nbsp;&lt;\/p&gt;&lt;p&gt;In the model, you can use pathlines to get an idea of flow residence time, species tracer (like in the experiments) or a scalar method commonly referred to as &#8220;mean age of air&#8221;. The latter isn&#8217;t covered the documentation, but should be explained in Solutions either on here (I think it&#8217;s public) or on the Customer Portal (your Prof should have access).&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-377382","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Look up &quot;plug flow residence time&quot;, or go ask a Chemical Engineer. Then compare that to the 0.04s you&#039;ve modelled. In the model, you can use pathlines to get an idea of flow residence time, species tracer (like in the experiments) or a scalar method commonly referred to as &quot;mean age of air&quot;. The latter isn&#039;t\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/377382\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Reply To: How to determine average residence time of fluid | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Look up &quot;plug flow residence time&quot;, or go ask a Chemical Engineer. Then compare that to the 0.04s you&#039;ve modelled. In the model, you can use pathlines to get an idea of flow residence time, species tracer (like in the experiments) or a scalar method commonly referred to as &quot;mean age of air&quot;. The latter isn&#039;t\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/377382\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-08-06T13:16:28+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-08-06T13:16:28+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: How to determine average residence time of fluid | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Look up &quot;plug flow residence time&quot;, or go ask a Chemical Engineer. Then compare that to the 0.04s you&#039;ve modelled. In the model, you can use pathlines to get an idea of flow residence time, species tracer (like in the experiments) or a scalar method commonly referred to as &quot;mean age of air&quot;. The latter isn&#039;t\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/377382\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/377382\\\/#listItem\",\"name\":\"Reply To: How to determine average residence time of fluid\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/377382\\\/#listItem\",\"position\":2,\"name\":\"Reply To: How to determine average residence time of fluid\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/377382\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/377382\\\/\",\"name\":\"Reply To: How to determine average residence time of fluid | Ansys Learning Forum\",\"description\":\"Look up \\\"plug flow residence time\\\", or go ask a Chemical Engineer. 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